65%RatingSave Gender Masculine Usage Croatian, Serbian Scripts Тадија(Serbian) Pronounced Pron. TA-dee-ya [key] Meaning & HistoryExpand Links Croatian and Serbian form of Thaddeus. Related NamesFamily Tree·Details Other Languages & CulturesThaddaeus, Thaddeus(Biblical) Thaddaios(Biblical Greek) Thaddaeus, Thaddeus(Biblical Latin) Tadeáš(Czech) Thaddeus, Tad, Thad(English) Taddeo(Italian) Tadas(Lithuanian) Tadeusz(Polish) Tadeu(Portuguese) Faddei, Faddey(Russian) Tadeáš(Slovak) Tadej(Slovene) Tadeo(Spanish) Surname DescendantsTadić(Croatian) Tadić(Serbian) Name DaysName Days? Croatia: October 28